diff --git a/requirements/test_requirements.txt b/requirements/test_requirements.txt
index 695463248..5f17c3a64 100644
--- a/requirements/test_requirements.txt
+++ b/requirements/test_requirements.txt
@@ -1,4 +1,4 @@
-pytest
+pytest>=2.9
 pytest-twisted
 pytest-cov
 coverage